Question: Who is the operator and country of Bombardier Dash 8?
Paraphrase: Which airlines, in what countries, use the Bombardier Dash 8?
SPARQL (Wikidata): SELECT ?ans_1 ?ans_2 WHERE { wd:Q736765 wdt:P137 ?ans_1 . wd:Q736765 wdt:P17 ?ans_2 }